Taking the interior ballistics repletion of machine gun cartridge as the example, the powder parameters such as powder weight, powder force and web thickness were taken as the design variables. 以机枪弹内弹道循环为例,选择装药量、火药力、药厚为设计变量,设计目标为最大膛压值及弹丸出膛口速度。
Caseless Ammunition Aerial Gun System 空中无壳弹火炮系统
Is there a cartridge in your gun? 你的枪里装有子弹吗?
The birds perched on the television aerial. 鸟停在电视天线上。